What does europium mean?

europium (noun): A metallic chemical element (symbol Eu) with an atomic number of 63. As a hashtag, #europium carries this topic across social platforms.

How popular is #europium?

#europium has no measured public activity on the open social web in the last 7 days. It is currently wide open.

What hashtags are related to #europium?

Related hashtags include #europiumoled, #europiumeconomics.

How much does it cost to own #europium?

#europium is available as a #name from $110.68 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=europium or with tokens on hashtag.space at https://hashtag.space/#europium.

#europium

Name: #europium — a #name on hashtag.org
Brand: hashtag.org
Price: 110.68 USD
Availability: InStock

Live, measured metrics for the hashtag #europium from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #europium

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$110.68/ year · 8-character #name

Claim #europium — $110.68/yr→Buy on hashtag.space (web3)

card via hashtag.org · tokens via hashtag.space

Uses / 7 days

Mastodon

Accounts / 7 days

Mastodon

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-09 09:02 UTC

10-03

10-04

10-05

10-06

10-07

10-08

10-09

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-10-09 09:02 UTC

#europiumoled

0 uses · 0 accounts / 7d

#europiumeconomics

0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-09 09:02 UTC

Everything below is measured over the latest 9 public posts (spanning ~23652 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (5) · German (3) · French (1)

Avg boosts / post: 2.8

Used together with

#science ×3 #rectification ×2 #mischacks ×2 #chirality ×2 #electron ×2 #magnetic ×2 #circuit ×2 #chiral ×2 #diode ×2 #news ×2 #dresden ×1 #blau ×1

What “europium” means

Wiktionary · Wikipedia

europium/jʊəˈɹoʊpiəm/

nounA metallic chemical element (symbol Eu) with an atomic number of 63.

Full entry on Wiktionary →

Europium is a chemical element; it has symbol Eu and atomic number 63. It is a silvery-white metal of the lanthanide series that reacts readily with air to form a dark oxide coating. Europium is the most chemically reactive, least dense, and softest of the lanthanides. It is soft enough to be cut with a knife. Europium was discovered in 1896, provisionally designated as Σ; in 1901, it was named after the continent of Europe. Europium usually assumes the oxidation state +3, like other members of

“Europium” on Wikipedia (CC BY-SA) →

#europium across platforms

every network with a public tag surface

Follow #europium straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/europium